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Yoshiyuki Funakoshi
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Osaka, JP
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last 30 patents
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Patent Grant
Process for recovering a mixture of unreacted ethylene and propylene
Patent number
4,762,897
Issue date
Aug 9, 1988
Mitsui Toatsu Chemicals, Incorporated
Tadashi Asanuma
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method of controlling polymerization temperature
Patent number
4,742,131
Issue date
May 3, 1988
Mitsui Toatsu Chemicals, Incorporated
Tadashi Asanuma
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Separation method of polymer powder and carrier gas
Patent number
4,729,772
Issue date
Mar 8, 1988
Mitsui Toatsu Chemicals, Incorporated
Tadashi Asanuma
B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
Information
Patent Grant
Method of continuously operating a counter-flow washing column
Patent number
4,659,755
Issue date
Apr 21, 1987
Mitsui Toatsu Chemicals, Incorporated
Tadashi Asanuma
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...